|#|Title|Producer(s)|Performer (s)|Time|
|---|---|---|---|---|
|1|"I See Dead People"|PHD|Grand Puba, Lord Jamar, Rell|4:26|
|2|"Hunny"|Grant Parks|Grand Puba|4:04|
|3|"It Is What It Is"|PHD|Grand Puba, Tiffani Davis|5:03|
|4|"How Long?"|Elements|Grand Puba|3:22|
|5|"Good To Go"|Q-Tip|Grand Puba, Q-Tip|3:53|
|6|"Same Old Drama"|Large Professor|Grand Puba, Large Professor|1:29|
|7|"Get That Money"|PHD|Grand Puba|3:29|
|8|"This Joint Right Here"|Grand Puba|Grand Puba, Kid Capri|3:17|
|9|"Go Hard"|Grand Puba|Grand Puba, Talee|3:35|
|10|"Reality Check"|PHD|Grand Puba, Sarah Martinez|3:09|
|11|"Cold Cold World"|Grand Puba|Grand Puba, Khadija Mohamed|3:31|
|12|"Smile"|Big Throwback|Grand Puba, Big Phill|1:55|
|13|"The Joint Right Here (Remix)"|Grand Puba|Grand Puba, Kid Capri, Lord Jamar, Sadat X|3:23|

Question: what is the total number of tracks produced by phd?
Answer: 4